Air force history of Iran
The History of the Iranian Air Force, currently known as the Islamic Republic of Iran Air Force, can be divided into two phases—before the Islamic Revolution, and after it. == Imperial era == The Imperial Iranian Air Force (IIAF) was a branch of the Imperial Iranian Armed Forces and was established by Reza Shah, the Shah of Iran, in the early 1920s.
Source: Wikipedia — Air force history of Iran (CC BY-SA 4.0)